<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
import { getEmployeesimple } from '@/api/employee.js'
import { addDepartment, getDepartmentByid, updateDepartment } from '@/api/departments.js'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isDdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 校验编码名称不能出现重复的
    const validCode = (rule, value, callback) => {
      // 1.如果已存在该部门编码,则提示用户重新输入
      let exsitCodelist = this.originList.map(item => item.code)
      console.log(exsitCodelist)
      // 如果是编辑的状态,需要把当前的部门的编码从已经存在的数组中移除
      if (this.isDdit) {
        exsitCodelist = this.originList.filter(item => item.id !== this.id).map(item => item.code)
        console.log(exsitCodelist)
      }
      if (exsitCodelist.includes(value)) callback(new Error(`该部门编码:${value}已经存在,请重新输入`))
      callback()
    }
    // 部门名称不能和同级部门重复
    const validName = (rule, value, callback) => {
      // 先找到同一pid的数组
      let exsitNamelist = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(exsitNamelist)
      // 如果是编辑的状态,需要把当前的部门的名称从已经存在的数组中移除
      if (this.isDdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        console.log(pid)
        exsitNamelist = this.originList.filter(item => item.pid === pid).filter(item => item.id !== this.id).map(item => item.name)
        console.log(exsitNamelist)
      }
      if (exsitNamelist.includes(value)) {
        callback(new Error(`该${value}部门名称已存在`))
      }
      callback()
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [{ required: true, message: '内容不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码必须是1~15个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }],
        code: [{ required: true, message: '内容不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码必须是1~15个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }],
        manager: [{ required: true, message: '内容不能为空', trigger: 'blur' }],
        introduce: [{ required: true, message: '内容不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码必须是1~15个字符', trigger: 'blur' }]
      },
      list: [] // 保存部门负责人的列表
    }
  },
  watch: {
    /* 'id'(newValue,oldValue){
            this.loadDepartmentByid()
        } */
    id: {
      handler(newVal, oldVal) {
        console.log('新值', newVal)
        console.log('旧值', oldVal)
        // 编辑状态下,重新获取员工数据
        if (this.isDdit) {
          this.loadDepartmentByid()
        }
      }
      // immediate: true
      // immediate: true 更新立即执行
    }
  },
  created() {
    this.loadEmployeesimple()
    if (this.isDdit) {
      this.loadDepartmentByid()
    }
  },
  methods: {
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    hSubmit() {
      this.$refs.deptForm((valid) => {
        if (!valid) return
        console.log('兜底校验成功')
      })
      this.isDdit ? this.doEdit() : this.addEmploy()
    },
    hCancel() {
      this.$emit('close')
    },
    // 获取部门列表
    async loadEmployeesimple() {
      try {
        const res = await getEmployeesimple(this.id)
        console.log('获取部门列表的res', res)
        if (!res.code === 10000) return
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 获取员工详情
    async loadDepartmentByid() {
      try {
        const res = await getDepartmentByid(this.id)
        console.log('获取部门详情的res', res)
        if (!res.code === 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.form = res.data
      } catch (err) {
        console.log(err)
      }
    },
    // 新增部门
    async addEmploy() {
      try {
        // 缺少pid,通过父传子获取父级id,作为pid
        const res = await addDepartment({ pid: this.id, ...this.form })
        console.log('新增的数据', res)
        if (!res.code === 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('doSuccess')
      } catch (error) {
        console.log(error)
      }
    },
    // 编辑部门
    async doEdit() {
      try {
        const res = await updateDepartment(this.form)
        console.log('编辑的数据', res)
        if (!res.code === 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('doSuccess')
      } catch (err) {
        console.log(err)
      }
    }
  }
}
</script>
